knockdown

plural knockdowns

1. countableuncountableAn act of knocking down or the condition of being knocked down.
2. countableuncountableAn overwhelming blow.
3. obsoleteslanguncountableVery strong ale or beer.
4. countableuncountablebiologyA genetically modified organism that carries one or more genes in its chromosomes that have been made less active or had their expression reduced.
5. countableuncountablebiologyThe use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene.
6. countableuncountablenauticalThe condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface.
7. countableuncountableball gamesa short pass played downwards, for example from the head onto someone's feet.

   Pires, a three-time Cup winner with Arsenal who scored the Gunners' winner against Southampton in the 2003 final, has been a largely peripheral figure at Villa Park since joining in November - but the 37-year-old rolled back the years with a fine finish from Delfouneso's knockdown.

   2011 January 29, Chris Bevan, “Aston Villa 3 - 1 Blackburn”, in BBC

8. countableuncountablebroadcastingA shelter erected for use as a temporary dressing room.

   We shot 'The Caterpillar' at General Service Studios, and the dressing rooms for the actors were what they call knockdowns: wooden frames covered in grungy, dirty red canvas. It looked like a circus tent.

   1999, Scott Skelton, Jim Benson, Rod Serling's Night Gallery: An After-hours Tour, page 294

9. countableuncountableA collection of parts required to assemble a product, typically manufactured in one region and exported elsewhere for assembly.

   Synonyms: KD

present singular third person knockdowns · participle present knockdowning · participle past knockdowned · past knockdowned

1. biologyTo employ the knockdown technique

1. not comparablePowerful enough to overwhelm.

   a knockdown blow

   1 more example

   a knockdown argument

2. not comparableReduced in price, originally to a price below which an article would not be sold by the auctioneer.
3. not comparableCapable of being taken apart for packing or removal.

   knockdown furniture

4. not comparableTo be formed into a head by upsetting in fastening.